package com.qk.controller;

import com.qk.anno.Log;
import com.qk.common.PageResult;
import com.qk.common.Result;
import com.qk.entity.Course;
import com.qk.service.CourseService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

@Slf4j
@RequestMapping("/courses")
@RestController
public class CourseController {
    
    @Autowired
    private CourseService courseService;

    // 分页查询课程列表
    @GetMapping
    public Result querylist(String name, Integer subject, Integer target,
                            @RequestParam(defaultValue = "1") Integer page,
                            @RequestParam(defaultValue = "10") Integer pageSize) {
        log.info("查询课程名称：{},状态：{},页码：{},每页元素个数：{}", name, subject, page, pageSize);
        PageResult<Course> coursePageResult = courseService.list(name,subject,target,page, pageSize);
        return Result.success(coursePageResult);
    }

    // 删除课程
    @Log
    @DeleteMapping("/{id}")
    public Result delete(@PathVariable Integer id) {
        log.info("删除课程：{}", id);
        courseService.delete(id);
        return Result.success();
    }
    
    // 添加课程
    @Log
    @PostMapping
    public Result add(@RequestBody Course course) {
        log.info("添加课程：{}", course);
        courseService.add(course);
        return Result.success();
    }
    

    
    // 根据ID查询课程
    @GetMapping("/{id}")
    public Result getById(@PathVariable Integer id) {
        log.info("查询课程：{}", id);
        Course course = courseService.getById(id);
        return Result.success(course);
    }
    
    // 更新课程
    @Log
    @PutMapping
    public Result update(@RequestBody Course course) {
        log.info("修改课程：{}", course);
        courseService.update(course);
        return Result.success();
    }

    //根据学科查询课程
    @GetMapping("/subject/{subject}")
    public Result queryBySubject(@PathVariable Integer subject) {
        log.info("查询课程：{}", subject);
        return Result.success(courseService.getCoursesBySubject(subject));
    }
}